/**
 *  Copyright Terracotta, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package net.sf.ehcache.constructs.scheduledrefresh;

import net.sf.ehcache.Ehcache;

import java.io.Serializable;

/**
 * This is a simple, naive implementation of the
 * {@link ScheduledRefreshKeyGenerator} interface. It merely returns an Iterable
 * over all the keys in the cache.
 *
 * @param <K>
 * @author cschanck
 */
public class SimpleScheduledRefreshKeyGenerator<K extends Serializable> implements ScheduledRefreshKeyGenerator<K> {

    @SuppressWarnings("unchecked")
    @Override
    public Iterable<K> generateKeys(Ehcache cache) {
        return cache.getKeys();
    }

}
